Senior Backend Engineer Interview Questions

2,796 senior backend engineer interview questions shared by candidates

Design Question: Your customers are short term rentals ho might have multiple rental places and working with multiple service providers such as booking, airbnb. Design a system where you will get the information of a booking from one system and block availability in other system.
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Remote Senior Backend Engineer

Interviewed at Beyond

4
Feb 13, 2022

Design Question: Your customers are short term rentals ho might have multiple rental places and working with multiple service providers such as booking, airbnb. Design a system where you will get the information of a booking from one system and block availability in other system.

The online assessment is done on the CodeSignal platform. You have 1 week to take it once you receive the invitation. The test duration is 1 hour and 30 minutes (if I remember correctly). It is proctored, so you must have your camera and microphone on during the entire test. There are 4 coding questions. You must solve them one after another — you can't skip questions or go back to previous ones. All the problems are related to building a transactional tracking system and detecting potential fraud. The focus is on logic, data structures, and clean implementation.
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Senior Software Engineer - Backend

Interviewed at Charlie Health

3.5
Apr 9, 2025

The online assessment is done on the CodeSignal platform. You have 1 week to take it once you receive the invitation. The test duration is 1 hour and 30 minutes (if I remember correctly). It is proctored, so you must have your camera and microphone on during the entire test. There are 4 coding questions. You must solve them one after another — you can't skip questions or go back to previous ones. All the problems are related to building a transactional tracking system and detecting potential fraud. The focus is on logic, data structures, and clean implementation.

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